Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PORTABLE DEVICE WITH ACTIVE NEAR-FIELD COMMUNICATION
Document Type and Number:
WIPO Patent Application WO/2021/134573
Kind Code:
A1
Abstract:
Disclosed in the present invention is a portable device with active near-field communication; data is actively transmitted by means of a dedicated antenna and battery power supply in order to increase the distance of radio frequency transmission.

Inventors:
LI QINGYUAN (CN)
Application Number:
PCT/CN2019/130730
Publication Date:
July 08, 2021
Filing Date:
December 31, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
LI QINGYUAN (CN)
International Classes:
H04B5/00; H02J7/00
Foreign References:
CN203423688U2014-02-05
CN203423688U2014-02-05
CN110009084A2019-07-12
US20140187157A12014-07-03
US20140187157A12014-07-03
TWM359145U2009-06-11
US20140176056A12014-06-26
US20140376192A12014-12-25
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: COMMUNICATION METHOD AND COMMUNICATION DEVICE

Next Patent: METHOD AND DEVICE FOR CREATING GENE MUTATION DICTIONARY AND USING THE DICTIONARY TO COMPRESS GENOME ...